Home / 212,847.21-293,771.71-122,265.32

Finding the Fourth Proportional to 212,847.21, 293,771.71 and 122,265.32

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Solution

The fourth proportional to 212,847.21, 293,771.71 and 122,265.32 is: 168,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,847.21 : 293,771.71 = 122,265.32 : x
  2. Step 2: Convert to fraction form
    212,847.21/293,771.71 = 122,265.32/x
  3. Step 3: Cross multiply
    212,847.21x = 293,771.71 × 122,265.32
  4. Step 4: Simplify right side
    212,847.21x = 35,918,090,814.07
  5. Step 5: Solve for x
    x = 35,918,090,814.07/212,847.21
  6. Step 6: Final answer
    x = 168,750.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.